Unrestricted File Upload in code-projects Online Examination System
CVE-2026-1423

5.3MEDIUM

Key Information:

Vendor

Code-projects

Status
Online Examination System
Vendor
CVE Published:
26 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1423?

The Online Examination System (version 1.0) by code-projects contains a vulnerability in the /admin_pic.php file, which allows attackers to carry out unrestricted file uploads. This weakness enables an attacker to manipulate the upload functionality remotely, potentially leading to unauthorized code execution. The exploit has been publicly disclosed, making it crucial for users to address this security issue. Mitigation steps are recommended to safeguard against potential attacks leveraging this vulnerability.

Affected Version(s)

Online Examination System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1423 - Proof of Concept

References

https://vuldb.com/?id.342839
vdb-entrytechnical-description
https://vuldb.com/?ctiid.342839
signaturepermissions-required
https://vuldb.com/?submit.736607
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

geochen (VulDB User)
.